A rigid metallic item, generally circular. It may be formed of segmented arcs. It is designed to prevent leakage of air in an engine, gas turbine, aircraft. It may be of various cross-sectional shapes. It may have mounting facilities. It may act as a spacer but its primary function is as an air seal.
Classification: Parts of gas turbine aircraft engines, other than for use in civil aircraft
NSN 5990-01-284-3187
NSN 6685-00-233-6563
NSN 6105-01-310-5459
NSN 5996-00-665-2869
NSN 6240-01-234-6053
NSN 6320-01-560-7177
NSN 6145-00-770-4752
NSN 5975-01-433-1901
NSN 2925-00-816-8765
NSN 4140-00-916-2771
NSN 5930-01-467-3614
NSN 6135-01-186-4010